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          87＋12＝99
          (94÷2)＋55＝102
          420÷7＝60
      
      
          97×(18＋62)＝7760
          56.08－28.94＝27.14
          474÷6＝79
      
      
          391÷7＝55 …… 6
          49.03＋84.2＝133.23
          13＋(51÷3)＝30
      
      
          128÷4＝32
          237÷3＝79
          (93÷3)＋52＝83
      
      
          27×3＋61＝142
          29＋(64×97)＝6237
          (47×14)－3＝655
      
      
          53.37＋51.59＝104.96
          28－18＝10
          11÷5＝2 …… 1
      
      
          42.37＋25.17＝67.54
          75.15＋15.92＝91.07
          51÷3＋5＝22
      
      
          93－13＝80
          94.12＋57.21＝151.33
          39＋(11×90)＝1029
      
      
          $\frac{71}{86}$－$\frac{7}{86}$＝$\frac{64}{86}$
          $\frac{23}{28}$－$\frac{2}{28}$＝$\frac{21}{28}$
          $\frac{29}{30}$－$\frac{1}{30}$＝$\frac{28}{30}$
      
      
          $\frac{1}{9}$＋$\frac{2}{9}$＝$\frac{3}{9}$
          $\frac{21}{27}$＋$\frac{3}{27}$＝$\frac{24}{27}$
          $\frac{21}{22}$－$\frac{1}{22}$＝$\frac{20}{22}$
      
  
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    <h1 class="title">25070210103925</h1>

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        <time datetime="2025-07-02 10:10:40 &#43;0800 CST">2025年07月02日</time>
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          ·
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          37字
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          1分钟
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          <th>1</th>
          <th>2</th>
          <th>3</th>
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          <td><font color=red size=4>87</font>＋12＝99</td>
          <td>(94÷2)＋55＝<font color=red size=4>102</font></td>
          <td>420÷7＝<font color=red size=4>60</font></td>
      </tr>
      <tr>
          <td>97×(18＋62)＝<font color=red size=4>7760</font></td>
          <td>56.08－28.94＝<font color=red size=4>27.14</font></td>
          <td>474÷6＝<font color=red size=4>79</font></td>
      </tr>
      <tr>
          <td>391÷7＝<font color=red size=4>55 …… 6</font></td>
          <td>49.03＋84.2＝<font color=red size=4>133.23</font></td>
          <td>13＋(51÷3)＝<font color=red size=4>30</font></td>
      </tr>
      <tr>
          <td>128÷4＝<font color=red size=4>32</font></td>
          <td>237÷3＝<font color=red size=4>79</font></td>
          <td>(93÷3)＋52＝<font color=red size=4>83</font></td>
      </tr>
      <tr>
          <td>27×3＋61＝<font color=red size=4>142</font></td>
          <td>29＋(64×97)＝<font color=red size=4>6237</font></td>
          <td>(47×14)－3＝<font color=red size=4>655</font></td>
      </tr>
      <tr>
          <td>53.37＋51.59＝<font color=red size=4>104.96</font></td>
          <td><font color=red size=4>28</font>－18＝10</td>
          <td>11÷5＝<font color=red size=4>2 …… 1</font></td>
      </tr>
      <tr>
          <td>42.37＋25.17＝<font color=red size=4>67.54</font></td>
          <td>75.15＋15.92＝<font color=red size=4>91.07</font></td>
          <td>51÷3＋5＝<font color=red size=4>22</font></td>
      </tr>
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          <td>93－<font color=red size=4>13</font>＝80</td>
          <td>94.12＋57.21＝<font color=red size=4>151.33</font></td>
          <td>39＋(11×90)＝<font color=red size=4>1029</font></td>
      </tr>
      <tr>
          <td>$\frac{71}{86}$－$\frac{7}{86}$＝<font color=red size=4>$\frac{64}{86}$</font></td>
          <td>$\frac{23}{28}$－$\frac{2}{28}$＝<font color=red size=4>$\frac{21}{28}$</font></td>
          <td>$\frac{29}{30}$－$\frac{1}{30}$＝<font color=red size=4>$\frac{28}{30}$</font></td>
      </tr>
      <tr>
          <td>$\frac{1}{9}$＋$\frac{2}{9}$＝<font color=red size=4>$\frac{3}{9}$</font></td>
          <td>$\frac{21}{27}$＋$\frac{3}{27}$＝<font color=red size=4>$\frac{24}{27}$</font></td>
          <td>$\frac{21}{22}$－$\frac{1}{22}$＝<font color=red size=4>$\frac{20}{22}$</font></td>
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